by Paul Nosko on 24.10.20A Contest of Principles (Star Trek: The Original Series) 0 likes 829 views Sale! $24.99 Original price was: $24.99.$13.98Current price is: $13.98. Buy Now Category: Books Tags: Adventure, Alien Invasion, Alien Invasion Science Fiction, Exploration, Exploration Science Fiction, First Contact, First Contact Science Fiction, Genetic Engineering, Genetic Engineering Science Fiction, Military, Military Science Fiction, Science Fiction Adventures SHARE THIS: Related products Full Circle (Star Trek: Voyager) $14.99 Buy Now Sale! Star Trek: Discovery: Die Standing (7) $16.99 Original price was: $16.99.$11.12Current price is: $11.12. Buy Now Sale! Agents of Influence (Star Trek: The Original Series) $23.00 Original price was: $23.00.$18.62Current price is: $18.62. Buy Now Sale! Star Trek: The Motion Picture: The Art and Visual Effects $50.00 Original price was: $50.00.$33.53Current price is: $33.53. Buy Now